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There are two tools available for
viewing and editing the registry, each with slightly different abilities:
RegEdit.exe and RegEdt32.exe.

To launch the RegEdit tool, type
regedit at the Start  Run prompt and click OK. The
RegEdit interface will load and present a top-level view of the Registry.

Figure 190: Registry Editor

The five hives previously
discussed are visible as top-level folders, much like the C: drive in
My Computer. To understand better the Registry and this tool we will
complete some common tasks.

Caution!

Microsoft warns: using Registry Editor incorrectly can cause serious problems that require reinstalling the operating system. Because Registry Editor bypasses the standard safeguards that prevent you from entering settings that are conflicting or likely to degrade performance or damage your system, exercise caution when making changes to the registry. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved.

Before working with the Registry,
be aware that one slip of the mouse can render a computer unusable.
Deleting the wrong key or value can cause effects ranging from disappearing
menus to a complete refusal to boot up. Before undertaking any work,
always back up the Registry by using the System State backup option
in the Windows backup tool When following instructions from Microsoft,
the following caveat is always in force:

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